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Cited 6 time in webofscience Cited 5 time in scopus
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New Tool for Rapid and Accurate Detection of Interleukin-2 and Soluble Interleukin-2 Receptor a in Cancer Diagnosis Using a Bioresponsive Microgel and Multivalent Protein Binding

Authors
Yang, Hae MinYim, BoraLee, Byung-HyunPark, YongdooKim, Young GyuKim, JongseongYoo, Dongwon
Issue Date
28-Jul-2021
Publisher
American Chemical Society
Keywords
hydrogel; multivalent protein binding; label-free; rapid detection; cancer diagnosis; biosensor; surface plasmon resonance
Citation
ACS Applied Materials and Interfaces, v.13, no.29, pp 33782 - 33789
Pages
8
Indexed
SCIE
SCOPUS
Journal Title
ACS Applied Materials and Interfaces
Volume
13
Number
29
Start Page
33782
End Page
33789
URI
https://scholarworks.korea.ac.kr/kumedicine/handle/2020.sw.kumedicine/53876
DOI
10.1021/acsami.1c04827
ISSN
1944-8244
1944-8252
Abstract
Interleukin-2 (IL-2) and its a receptor in soluble form (sIL-2R alpha) are considered biomarkers for cancers and immune-related diseases. Enzyme-linked immunosorbent assay is the most common method used to evaluate biomarkers in clinical practice; it is precise but time-consuming and involves complicated procedures. Here, we have developed a rapid yet accurate modality for cancer diagnosis that enables on-site evaluation of cancer markers, that is, IL-2 and sIL-2R alpha, without complicated pretreatment of cancer patient-derived blood samples. Surface plasmon resonance and bioresponsive microgels conjugated with IL-2 receptors, that is, IL-2R beta and IL-2R gamma, were utilized to measure IL-2 and sIL-2R alpha levels via multivalent protein binding (MPB) between the ligands and their receptors. Our results showed that this novel method enables us to perform cancer diagnosis with a 1000-fold dilution of serum in 10 min. The advantage of MPB-based cancer diagnosis originates from its great selectivity for a target molecule and tolerance to a myriad of nonspecific substances in serum, which allows on-site clinical evaluation. Importantly, our finding implies that MPB-based cancer diagnosis provides a new paradigm not only for improving cancer treatment but also for evaluating a target molecule in unpurified and complex solutions such as blood.
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4. Research institute > Stem Cell Institute > 1. Journal Articles
1. Basic Science > Department of Biomedical Engineering > 1. Journal Articles

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Lee, Byung Hyun
Ansan Hospital (Department of Medical Oncology and Hematology, Ansan Hospital)
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